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Re: [ANNOUNCEMENT] Updated: Cygwin 2.2.0-1
- From: Andrey Repin <anrdaemon at yandex dot ru>
- To: Corinna Vinschen <cygwin at cygwin dot com>, cygwin at cygwin dot com
- Date: Wed, 5 Aug 2015 19:41:14 +0300
- Subject: Re: [ANNOUNCEMENT] Updated: Cygwin 2.2.0-1
- Authentication-results: sourceware.org; auth=none
- References: <announce dot 20150803131950 dot GA18878 at calimero dot vinschen dot de> <55BFB64C dot 1010802 at towo dot net> <20150803192940 dot GA19315 at calimero dot vinschen dot de> <loom dot 20150804T094839-714 at post dot gmane dot org> <895515CC-6BB7-41E7-AEA5-30FBBE071153 at etr-usa dot com> <87wpxac2bj dot fsf at Rainer dot invalid> <20150805075435 dot GP17917 at calimero dot vinschen dot de>
- Reply-to: cygwin at cygwin dot com
Greetings, Corinna Vinschen!
> The problem the fix was *supposed* to fix (but it didn't) was to disallow
> incoming $HOME values which are non-POSIX or non-absolute paths. These
> $HOME values should be disregarded.
> So the idea was:
> set HOME=foo <- ignored, set HOME from passwd DB entry
> set HOME=C:/foo <- same
> set HOME=//foo/bar <- same
> set HOME=/foo/bar <- valid, taken
> Right now, when started from a non-Cygwin process, Cygwin takes the
> value of $HOME and simply calls the Win32->POSIX conversion function.
> It does so for a long time, but is that right? Especially if %HOME% is
> a non-absolute == relative path, the resulting POSIX value of $HOME
> depends on the current directory when starting Cygwin.
> This sounds like a terrible idea to me.
> Together with cases like https://cygwin.com/ml/cygwin/2015-07/msg00344.html,
> and the fact that $HOME has no meaning in native Windows (HOMEPATH/HOMEDRIVE
> instead) I'm inclined to think that any incoming $HOME should make sense
> from a POSIX POV, otherwise we take the value from the passwd DB as defined
> by /etc/nsswitch.conf.
> Does anybody have a *good* reason *not* to change this?
For me, it wouldn't change a thing. My %HOME% is pointed to %USERPROFILE%, so
does the nsswitch.conf do the same for Cygwin.
Either way the $HOME is pulled from will point to the same place.
>> That's why I offered to ignore the issue. That also needs nothing to be
>> done by me, which is an added benefit. :-)
> That may be the way to go as soon as Cygwin is doing the right thing :}
Do The Right Thing(tm)!
With best regards,
Wednesday, August 5, 2015 19:34:27
Sorry for my terrible english...
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